A rotating supercell thunderstorm can hold ice aloft long enough to build hailstones wider than a grapefruit. Such stones are ...

A powerful tornado forms within a rotating supercell, creating a striking display of storm structure and alignment. See the ...

CORDELL, Okla. — Last Saturday afternoon, the air here smelled sweet and fresh. A mother ship supercell — a kind of rotating thunderstorm — loomed to my west. Raindrops began to fall that looked like ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: TikTok A storm chaser captured dramatic footage of a tornado-warned supercell near Limon, Colorado, giving viewers a ...

NASHVILLE, Tenn. (WKRN) — The definition of a tornado is a rapidly rotating column of air, but tornadoes aren't the only weather phenomenon that matches that description. First, let's start with ...

Editor's note: This article has updated the status of weather alerts for Berkshire County. If you were planning outdoor activities in the Berkshires on Saturday, you likely had to reschedule. That's ...

Thunderstorms need moisture, energy — which meteorologists call instability — and some sort of lift to form. Usually, the lift comes from cold and warmer air masses colliding along a line called a ...

Severe storms eyeing the Chicago area Tuesday have the potential to produce supercells, considered to be one of the most powerful types of storm. But what exactly are they and what makes them so ...